./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label11_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c53ff0a8-be64-45d1-a743-1183125ef47d/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c53ff0a8-be64-45d1-a743-1183125ef47d/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c53ff0a8-be64-45d1-a743-1183125ef47d/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c53ff0a8-be64-45d1-a743-1183125ef47d/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label11_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c53ff0a8-be64-45d1-a743-1183125ef47d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c53ff0a8-be64-45d1-a743-1183125ef47d/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6a0026f8c6b7a380d23358cfd36c0fa51e5f8b48 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 13:26:29,114 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:26:29,115 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:26:29,128 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:26:29,128 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:26:29,129 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:26:29,130 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:26:29,131 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:26:29,132 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:26:29,133 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:26:29,133 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:26:29,134 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:26:29,134 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:26:29,135 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:26:29,136 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:26:29,136 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:26:29,137 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:26:29,139 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:26:29,140 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:26:29,141 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:26:29,142 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:26:29,143 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:26:29,145 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:26:29,145 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:26:29,145 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:26:29,146 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:26:29,147 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:26:29,148 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:26:29,148 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:26:29,149 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:26:29,149 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:26:29,150 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:26:29,150 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:26:29,150 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:26:29,151 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:26:29,151 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:26:29,151 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c53ff0a8-be64-45d1-a743-1183125ef47d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 13:26:29,166 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:26:29,167 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:26:29,168 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:26:29,168 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 13:26:29,168 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 13:26:29,168 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 13:26:29,168 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 13:26:29,168 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 13:26:29,168 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 13:26:29,169 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 13:26:29,169 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 13:26:29,169 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 13:26:29,169 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 13:26:29,170 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:26:29,170 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:26:29,170 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:26:29,170 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:26:29,170 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:26:29,170 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:26:29,170 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:26:29,170 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:26:29,171 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:26:29,171 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:26:29,171 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:26:29,171 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:26:29,171 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:26:29,171 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:26:29,171 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:26:29,172 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:26:29,172 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:26:29,172 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:26:29,172 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:26:29,172 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:26:29,172 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 13:26:29,172 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:26:29,172 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:26:29,173 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 13:26:29,173 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_c53ff0a8-be64-45d1-a743-1183125ef47d/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a0026f8c6b7a380d23358cfd36c0fa51e5f8b48 [2018-11-18 13:26:29,214 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:26:29,225 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:26:29,230 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:26:29,231 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:26:29,231 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:26:29,232 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c53ff0a8-be64-45d1-a743-1183125ef47d/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label11_true-unreach-call.c [2018-11-18 13:26:29,277 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c53ff0a8-be64-45d1-a743-1183125ef47d/bin-2019/utaipan/data/d792ed7ff/f3beacbb9a134e309c88239cf30ad035/FLAG0f39025cb [2018-11-18 13:26:29,757 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:26:29,758 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c53ff0a8-be64-45d1-a743-1183125ef47d/sv-benchmarks/c/eca-rers2012/Problem16_label11_true-unreach-call.c [2018-11-18 13:26:29,776 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c53ff0a8-be64-45d1-a743-1183125ef47d/bin-2019/utaipan/data/d792ed7ff/f3beacbb9a134e309c88239cf30ad035/FLAG0f39025cb [2018-11-18 13:26:30,254 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c53ff0a8-be64-45d1-a743-1183125ef47d/bin-2019/utaipan/data/d792ed7ff/f3beacbb9a134e309c88239cf30ad035 [2018-11-18 13:26:30,256 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:26:30,257 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:26:30,258 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:26:30,258 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:26:30,260 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:26:30,261 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:26:30" (1/1) ... [2018-11-18 13:26:30,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b7b9b1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:26:30, skipping insertion in model container [2018-11-18 13:26:30,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:26:30" (1/1) ... [2018-11-18 13:26:30,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:26:30,330 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:26:30,859 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:26:30,862 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:26:31,066 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:26:31,080 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:26:31,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:26:31 WrapperNode [2018-11-18 13:26:31,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:26:31,081 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:26:31,082 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:26:31,082 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:26:31,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:26:31" (1/1) ... [2018-11-18 13:26:31,212 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:26:31" (1/1) ... [2018-11-18 13:26:31,224 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:26:31,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:26:31,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:26:31,225 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:26:31,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:26:31" (1/1) ... [2018-11-18 13:26:31,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:26:31" (1/1) ... [2018-11-18 13:26:31,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:26:31" (1/1) ... [2018-11-18 13:26:31,242 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:26:31" (1/1) ... [2018-11-18 13:26:31,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:26:31" (1/1) ... [2018-11-18 13:26:31,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:26:31" (1/1) ... [2018-11-18 13:26:31,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:26:31" (1/1) ... [2018-11-18 13:26:31,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:26:31,338 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:26:31,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:26:31,339 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:26:31,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:26:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c53ff0a8-be64-45d1-a743-1183125ef47d/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:26:31,398 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 13:26:31,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:26:31,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:26:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-18 13:26:31,400 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-18 13:26:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 13:26:31,402 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 13:26:31,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:26:31,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:26:31,402 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:26:31,402 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:26:34,427 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:26:34,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:26:34 BoogieIcfgContainer [2018-11-18 13:26:34,430 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:26:34,431 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:26:34,431 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:26:34,433 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:26:34,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:26:30" (1/3) ... [2018-11-18 13:26:34,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57c9160e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:26:34, skipping insertion in model container [2018-11-18 13:26:34,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:26:31" (2/3) ... [2018-11-18 13:26:34,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57c9160e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:26:34, skipping insertion in model container [2018-11-18 13:26:34,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:26:34" (3/3) ... [2018-11-18 13:26:34,436 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label11_true-unreach-call.c [2018-11-18 13:26:34,444 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:26:34,451 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:26:34,463 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:26:34,499 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:26:34,500 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:26:34,500 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:26:34,500 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:26:34,500 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:26:34,500 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:26:34,500 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:26:34,500 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:26:34,522 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-11-18 13:26:34,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 13:26:34,553 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:26:34,553 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:26:34,555 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:26:34,567 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:26:34,568 INFO L82 PathProgramCache]: Analyzing trace with hash -1469466684, now seen corresponding path program 1 times [2018-11-18 13:26:34,570 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:26:34,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:26:34,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:26:34,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:26:34,608 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:26:34,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:26:34,944 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-18 13:26:35,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:26:35,064 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:26:35,064 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:26:35,065 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:26:35,071 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:26:35,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:26:35,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:26:35,089 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 3 states. [2018-11-18 13:26:36,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:26:36,868 INFO L93 Difference]: Finished difference Result 1156 states and 2144 transitions. [2018-11-18 13:26:36,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:26:36,871 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2018-11-18 13:26:36,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:26:36,885 INFO L225 Difference]: With dead ends: 1156 [2018-11-18 13:26:36,885 INFO L226 Difference]: Without dead ends: 744 [2018-11-18 13:26:36,891 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:26:36,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-11-18 13:26:36,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2018-11-18 13:26:36,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-11-18 13:26:36,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1355 transitions. [2018-11-18 13:26:36,960 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1355 transitions. Word has length 62 [2018-11-18 13:26:36,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:26:36,961 INFO L480 AbstractCegarLoop]: Abstraction has 744 states and 1355 transitions. [2018-11-18 13:26:36,961 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:26:36,961 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1355 transitions. [2018-11-18 13:26:36,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-18 13:26:36,968 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:26:36,968 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:26:36,968 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:26:36,969 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:26:36,969 INFO L82 PathProgramCache]: Analyzing trace with hash -2105085518, now seen corresponding path program 1 times [2018-11-18 13:26:36,969 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:26:36,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:26:36,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:26:36,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:26:36,972 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:26:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:26:37,144 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:26:37,144 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:26:37,144 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:26:37,144 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:26:37,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 13:26:37,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 13:26:37,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:26:37,147 INFO L87 Difference]: Start difference. First operand 744 states and 1355 transitions. Second operand 5 states. [2018-11-18 13:26:40,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:26:40,151 INFO L93 Difference]: Finished difference Result 2194 states and 4083 transitions. [2018-11-18 13:26:40,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:26:40,152 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 132 [2018-11-18 13:26:40,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:26:40,162 INFO L225 Difference]: With dead ends: 2194 [2018-11-18 13:26:40,162 INFO L226 Difference]: Without dead ends: 1456 [2018-11-18 13:26:40,166 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 13:26:40,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1456 states. [2018-11-18 13:26:40,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1456 to 1436. [2018-11-18 13:26:40,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1436 states. [2018-11-18 13:26:40,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 1436 states and 2550 transitions. [2018-11-18 13:26:40,218 INFO L78 Accepts]: Start accepts. Automaton has 1436 states and 2550 transitions. Word has length 132 [2018-11-18 13:26:40,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:26:40,219 INFO L480 AbstractCegarLoop]: Abstraction has 1436 states and 2550 transitions. [2018-11-18 13:26:40,219 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 13:26:40,219 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 2550 transitions. [2018-11-18 13:26:40,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 13:26:40,224 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:26:40,224 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:26:40,224 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:26:40,225 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:26:40,225 INFO L82 PathProgramCache]: Analyzing trace with hash -1857215629, now seen corresponding path program 1 times [2018-11-18 13:26:40,225 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:26:40,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:26:40,227 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:26:40,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:26:40,227 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:26:40,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:26:40,436 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:26:40,436 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:26:40,436 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 13:26:40,437 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:26:40,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:26:40,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:26:40,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:26:40,437 INFO L87 Difference]: Start difference. First operand 1436 states and 2550 transitions. Second operand 6 states. [2018-11-18 13:26:43,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:26:43,280 INFO L93 Difference]: Finished difference Result 3936 states and 7024 transitions. [2018-11-18 13:26:43,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:26:43,280 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 161 [2018-11-18 13:26:43,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:26:43,294 INFO L225 Difference]: With dead ends: 3936 [2018-11-18 13:26:43,295 INFO L226 Difference]: Without dead ends: 2506 [2018-11-18 13:26:43,301 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:26:43,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2506 states. [2018-11-18 13:26:43,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2506 to 2479. [2018-11-18 13:26:43,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2479 states. [2018-11-18 13:26:43,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2479 states to 2479 states and 3996 transitions. [2018-11-18 13:26:43,366 INFO L78 Accepts]: Start accepts. Automaton has 2479 states and 3996 transitions. Word has length 161 [2018-11-18 13:26:43,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:26:43,368 INFO L480 AbstractCegarLoop]: Abstraction has 2479 states and 3996 transitions. [2018-11-18 13:26:43,368 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:26:43,368 INFO L276 IsEmpty]: Start isEmpty. Operand 2479 states and 3996 transitions. [2018-11-18 13:26:43,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-18 13:26:43,373 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:26:43,373 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:26:43,374 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:26:43,374 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:26:43,374 INFO L82 PathProgramCache]: Analyzing trace with hash 2100358191, now seen corresponding path program 1 times [2018-11-18 13:26:43,374 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:26:43,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:26:43,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:26:43,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:26:43,377 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:26:43,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:26:43,580 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-18 13:26:43,758 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:26:43,758 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:26:43,758 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 13:26:43,759 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:26:43,759 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:26:43,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:26:43,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:26:43,759 INFO L87 Difference]: Start difference. First operand 2479 states and 3996 transitions. Second operand 6 states. [2018-11-18 13:26:45,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:26:45,314 INFO L93 Difference]: Finished difference Result 6050 states and 9896 transitions. [2018-11-18 13:26:45,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:26:45,315 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 179 [2018-11-18 13:26:45,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:26:45,329 INFO L225 Difference]: With dead ends: 6050 [2018-11-18 13:26:45,329 INFO L226 Difference]: Without dead ends: 3577 [2018-11-18 13:26:45,336 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:26:45,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3577 states. [2018-11-18 13:26:45,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3577 to 3545. [2018-11-18 13:26:45,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3545 states. [2018-11-18 13:26:45,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3545 states to 3545 states and 4965 transitions. [2018-11-18 13:26:45,454 INFO L78 Accepts]: Start accepts. Automaton has 3545 states and 4965 transitions. Word has length 179 [2018-11-18 13:26:45,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:26:45,456 INFO L480 AbstractCegarLoop]: Abstraction has 3545 states and 4965 transitions. [2018-11-18 13:26:45,456 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:26:45,456 INFO L276 IsEmpty]: Start isEmpty. Operand 3545 states and 4965 transitions. [2018-11-18 13:26:45,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-18 13:26:45,459 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:26:45,459 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:26:45,460 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:26:45,460 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:26:45,460 INFO L82 PathProgramCache]: Analyzing trace with hash -2086748824, now seen corresponding path program 1 times [2018-11-18 13:26:45,460 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:26:45,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:26:45,462 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:26:45,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:26:45,462 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:26:45,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:26:45,664 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 122 proven. 53 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 13:26:45,664 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:26:45,664 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:26:45,665 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 263 with the following transitions: [2018-11-18 13:26:45,668 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:26:45,705 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:26:45,705 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:26:46,073 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 13:26:46,075 INFO L272 AbstractInterpreter]: Visited 135 different actions 135 times. Never merged. Never widened. Performed 1261 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1261 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-11-18 13:26:46,114 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:26:46,115 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 13:26:46,571 INFO L227 lantSequenceWeakener]: Weakened 253 states. On average, predicates are now at 78.1% of their original sizes. [2018-11-18 13:26:46,571 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 13:26:46,752 INFO L415 sIntCurrentIteration]: We unified 261 AI predicates to 261 [2018-11-18 13:26:46,752 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 13:26:46,753 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:26:46,753 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2018-11-18 13:26:46,754 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:26:46,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:26:46,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:26:46,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:26:46,755 INFO L87 Difference]: Start difference. First operand 3545 states and 4965 transitions. Second operand 6 states. [2018-11-18 13:27:11,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:27:11,547 INFO L93 Difference]: Finished difference Result 7424 states and 10344 transitions. [2018-11-18 13:27:11,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:27:11,548 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 262 [2018-11-18 13:27:11,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:27:11,554 INFO L225 Difference]: With dead ends: 7424 [2018-11-18 13:27:11,554 INFO L226 Difference]: Without dead ends: 3885 [2018-11-18 13:27:11,560 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 262 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:27:11,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3885 states. [2018-11-18 13:27:11,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3885 to 3883. [2018-11-18 13:27:11,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3883 states. [2018-11-18 13:27:11,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3883 states to 3883 states and 5311 transitions. [2018-11-18 13:27:11,631 INFO L78 Accepts]: Start accepts. Automaton has 3883 states and 5311 transitions. Word has length 262 [2018-11-18 13:27:11,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:27:11,632 INFO L480 AbstractCegarLoop]: Abstraction has 3883 states and 5311 transitions. [2018-11-18 13:27:11,632 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:27:11,632 INFO L276 IsEmpty]: Start isEmpty. Operand 3883 states and 5311 transitions. [2018-11-18 13:27:11,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-11-18 13:27:11,639 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:27:11,639 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:27:11,640 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:27:11,640 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:27:11,640 INFO L82 PathProgramCache]: Analyzing trace with hash -68374518, now seen corresponding path program 1 times [2018-11-18 13:27:11,640 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:27:11,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:11,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:27:11,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:11,641 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:27:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:27:12,151 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 237 proven. 115 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-18 13:27:12,151 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:27:12,151 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:27:12,152 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 355 with the following transitions: [2018-11-18 13:27:12,152 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:27:12,156 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:27:12,156 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:27:12,453 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 13:27:12,453 INFO L272 AbstractInterpreter]: Visited 139 different actions 404 times. Merged at 5 different actions 9 times. Never widened. Performed 4094 root evaluator evaluations with a maximum evaluation depth of 7. Performed 4094 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 13:27:12,493 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:27:12,494 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 13:27:12,893 INFO L227 lantSequenceWeakener]: Weakened 351 states. On average, predicates are now at 80.62% of their original sizes. [2018-11-18 13:27:12,893 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 13:27:13,319 INFO L415 sIntCurrentIteration]: We unified 353 AI predicates to 353 [2018-11-18 13:27:13,319 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 13:27:13,320 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:27:13,320 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-11-18 13:27:13,320 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:27:13,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 13:27:13,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 13:27:13,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:27:13,321 INFO L87 Difference]: Start difference. First operand 3883 states and 5311 transitions. Second operand 10 states. [2018-11-18 13:28:25,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:28:25,294 INFO L93 Difference]: Finished difference Result 9062 states and 12453 transitions. [2018-11-18 13:28:25,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 13:28:25,295 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 354 [2018-11-18 13:28:25,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:28:25,314 INFO L225 Difference]: With dead ends: 9062 [2018-11-18 13:28:25,314 INFO L226 Difference]: Without dead ends: 5523 [2018-11-18 13:28:25,328 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 363 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-18 13:28:25,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5523 states. [2018-11-18 13:28:25,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5523 to 5486. [2018-11-18 13:28:25,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5486 states. [2018-11-18 13:28:25,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5486 states to 5486 states and 7100 transitions. [2018-11-18 13:28:25,436 INFO L78 Accepts]: Start accepts. Automaton has 5486 states and 7100 transitions. Word has length 354 [2018-11-18 13:28:25,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:28:25,437 INFO L480 AbstractCegarLoop]: Abstraction has 5486 states and 7100 transitions. [2018-11-18 13:28:25,437 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 13:28:25,437 INFO L276 IsEmpty]: Start isEmpty. Operand 5486 states and 7100 transitions. [2018-11-18 13:28:25,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2018-11-18 13:28:25,450 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:28:25,451 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:28:25,453 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:28:25,453 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:28:25,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1523505886, now seen corresponding path program 1 times [2018-11-18 13:28:25,453 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:28:25,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:28:25,454 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:28:25,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:28:25,454 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:28:25,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:25,892 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 250 proven. 53 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-11-18 13:28:25,892 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:28:25,893 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:28:25,893 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 503 with the following transitions: [2018-11-18 13:28:25,894 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:28:25,905 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:28:25,906 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:28:26,466 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:28:26,466 INFO L272 AbstractInterpreter]: Visited 250 different actions 750 times. Merged at 8 different actions 24 times. Never widened. Performed 8435 root evaluator evaluations with a maximum evaluation depth of 18. Performed 8435 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 4 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-18 13:28:26,467 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:28:26,468 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:28:26,468 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:28:26,468 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c53ff0a8-be64-45d1-a743-1183125ef47d/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:28:26,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:28:26,475 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:28:26,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:26,577 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:28:26,738 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2018-11-18 13:28:26,738 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:28:27,012 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2018-11-18 13:28:27,038 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:28:27,038 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2018-11-18 13:28:27,038 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:28:27,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:28:27,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:28:27,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:28:27,040 INFO L87 Difference]: Start difference. First operand 5486 states and 7100 transitions. Second operand 3 states. [2018-11-18 13:28:28,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:28:28,159 INFO L93 Difference]: Finished difference Result 10628 states and 13855 transitions. [2018-11-18 13:28:28,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:28:28,160 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 502 [2018-11-18 13:28:28,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:28:28,170 INFO L225 Difference]: With dead ends: 10628 [2018-11-18 13:28:28,170 INFO L226 Difference]: Without dead ends: 5486 [2018-11-18 13:28:28,184 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1010 GetRequests, 1005 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:28:28,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5486 states. [2018-11-18 13:28:28,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5486 to 5486. [2018-11-18 13:28:28,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5486 states. [2018-11-18 13:28:28,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5486 states to 5486 states and 6798 transitions. [2018-11-18 13:28:28,269 INFO L78 Accepts]: Start accepts. Automaton has 5486 states and 6798 transitions. Word has length 502 [2018-11-18 13:28:28,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:28:28,270 INFO L480 AbstractCegarLoop]: Abstraction has 5486 states and 6798 transitions. [2018-11-18 13:28:28,270 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:28:28,270 INFO L276 IsEmpty]: Start isEmpty. Operand 5486 states and 6798 transitions. [2018-11-18 13:28:28,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 527 [2018-11-18 13:28:28,283 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:28:28,283 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:28:28,283 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:28:28,284 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:28:28,284 INFO L82 PathProgramCache]: Analyzing trace with hash -1292730792, now seen corresponding path program 1 times [2018-11-18 13:28:28,284 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:28:28,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:28:28,285 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:28:28,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:28:28,285 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:28:28,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:28,949 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 76 proven. 253 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 13:28:28,949 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:28:28,949 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:28:28,949 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 527 with the following transitions: [2018-11-18 13:28:28,950 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:28:28,953 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:28:28,953 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:28:29,258 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 13:28:29,258 INFO L272 AbstractInterpreter]: Visited 248 different actions 743 times. Merged at 7 different actions 21 times. Never widened. Performed 8327 root evaluator evaluations with a maximum evaluation depth of 8. Performed 8327 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-18 13:28:29,273 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:28:29,274 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 13:28:29,688 INFO L227 lantSequenceWeakener]: Weakened 523 states. On average, predicates are now at 80.36% of their original sizes. [2018-11-18 13:28:29,689 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 13:28:30,048 INFO L415 sIntCurrentIteration]: We unified 525 AI predicates to 525 [2018-11-18 13:28:30,048 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 13:28:30,048 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:28:30,048 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2018-11-18 13:28:30,048 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:28:30,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 13:28:30,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 13:28:30,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:28:30,049 INFO L87 Difference]: Start difference. First operand 5486 states and 6798 transitions. Second operand 10 states. [2018-11-18 13:29:13,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:29:13,073 INFO L93 Difference]: Finished difference Result 12751 states and 15847 transitions. [2018-11-18 13:29:13,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 13:29:13,073 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 526 [2018-11-18 13:29:13,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:29:13,090 INFO L225 Difference]: With dead ends: 12751 [2018-11-18 13:29:13,090 INFO L226 Difference]: Without dead ends: 7609 [2018-11-18 13:29:13,100 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 535 GetRequests, 517 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-18 13:29:13,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7609 states. [2018-11-18 13:29:13,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7609 to 7589. [2018-11-18 13:29:13,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7589 states. [2018-11-18 13:29:13,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7589 states to 7589 states and 9110 transitions. [2018-11-18 13:29:13,208 INFO L78 Accepts]: Start accepts. Automaton has 7589 states and 9110 transitions. Word has length 526 [2018-11-18 13:29:13,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:29:13,209 INFO L480 AbstractCegarLoop]: Abstraction has 7589 states and 9110 transitions. [2018-11-18 13:29:13,209 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 13:29:13,209 INFO L276 IsEmpty]: Start isEmpty. Operand 7589 states and 9110 transitions. [2018-11-18 13:29:13,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 666 [2018-11-18 13:29:13,233 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:29:13,234 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:29:13,234 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:29:13,235 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:29:13,235 INFO L82 PathProgramCache]: Analyzing trace with hash 1318394381, now seen corresponding path program 1 times [2018-11-18 13:29:13,235 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:29:13,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:29:13,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:29:13,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:29:13,236 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:29:13,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:13,772 INFO L134 CoverageAnalysis]: Checked inductivity of 932 backedges. 463 proven. 115 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2018-11-18 13:29:13,773 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:29:13,773 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:29:13,773 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 666 with the following transitions: [2018-11-18 13:29:13,773 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [860], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:29:13,776 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:29:13,776 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:29:14,275 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:29:14,275 INFO L272 AbstractInterpreter]: Visited 251 different actions 1000 times. Merged at 9 different actions 31 times. Never widened. Performed 11644 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11644 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 7 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-18 13:29:14,278 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:29:14,278 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:29:14,278 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:29:14,278 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c53ff0a8-be64-45d1-a743-1183125ef47d/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:29:14,284 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:29:14,284 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:29:14,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:14,395 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:29:14,708 INFO L134 CoverageAnalysis]: Checked inductivity of 932 backedges. 747 proven. 2 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-11-18 13:29:14,709 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:29:14,911 INFO L134 CoverageAnalysis]: Checked inductivity of 932 backedges. 463 proven. 115 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2018-11-18 13:29:14,926 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:29:14,927 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-18 13:29:14,927 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:29:14,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:29:14,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:29:14,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-18 13:29:14,928 INFO L87 Difference]: Start difference. First operand 7589 states and 9110 transitions. Second operand 9 states. [2018-11-18 13:29:17,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:29:17,967 INFO L93 Difference]: Finished difference Result 17426 states and 21989 transitions. [2018-11-18 13:29:17,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 13:29:17,968 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 665 [2018-11-18 13:29:17,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:29:17,997 INFO L225 Difference]: With dead ends: 17426 [2018-11-18 13:29:17,997 INFO L226 Difference]: Without dead ends: 10181 [2018-11-18 13:29:18,020 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1351 GetRequests, 1333 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-11-18 13:29:18,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10181 states. [2018-11-18 13:29:18,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10181 to 10157. [2018-11-18 13:29:18,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10157 states. [2018-11-18 13:29:18,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10157 states to 10157 states and 12394 transitions. [2018-11-18 13:29:18,173 INFO L78 Accepts]: Start accepts. Automaton has 10157 states and 12394 transitions. Word has length 665 [2018-11-18 13:29:18,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:29:18,174 INFO L480 AbstractCegarLoop]: Abstraction has 10157 states and 12394 transitions. [2018-11-18 13:29:18,174 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:29:18,174 INFO L276 IsEmpty]: Start isEmpty. Operand 10157 states and 12394 transitions. [2018-11-18 13:29:18,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 919 [2018-11-18 13:29:18,193 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:29:18,194 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:29:18,194 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:29:18,194 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:29:18,194 INFO L82 PathProgramCache]: Analyzing trace with hash -1818856474, now seen corresponding path program 1 times [2018-11-18 13:29:18,194 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:29:18,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:29:18,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:29:18,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:29:18,195 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:29:18,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:18,550 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-18 13:29:19,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1522 backedges. 709 proven. 525 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2018-11-18 13:29:19,496 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:29:19,496 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:29:19,496 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 919 with the following transitions: [2018-11-18 13:29:19,496 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1385], [1389], [1392], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:29:19,499 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:29:19,500 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:29:19,829 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 13:29:19,829 INFO L272 AbstractInterpreter]: Visited 261 different actions 770 times. Merged at 5 different actions 9 times. Never widened. Performed 8951 root evaluator evaluations with a maximum evaluation depth of 9. Performed 8951 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 13:29:19,842 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:29:19,842 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 13:29:20,362 INFO L227 lantSequenceWeakener]: Weakened 915 states. On average, predicates are now at 80.26% of their original sizes. [2018-11-18 13:29:20,362 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 13:29:20,557 INFO L415 sIntCurrentIteration]: We unified 917 AI predicates to 917 [2018-11-18 13:29:20,557 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 13:29:20,558 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:29:20,558 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2018-11-18 13:29:20,558 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:29:20,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:29:20,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:29:20,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:29:20,559 INFO L87 Difference]: Start difference. First operand 10157 states and 12394 transitions. Second operand 9 states. [2018-11-18 13:29:40,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:29:40,982 INFO L93 Difference]: Finished difference Result 19988 states and 24512 transitions. [2018-11-18 13:29:40,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 13:29:40,982 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 918 [2018-11-18 13:29:40,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:29:41,013 INFO L225 Difference]: With dead ends: 19988 [2018-11-18 13:29:41,013 INFO L226 Difference]: Without dead ends: 10175 [2018-11-18 13:29:41,033 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 924 GetRequests, 910 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-18 13:29:41,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10175 states. [2018-11-18 13:29:41,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10175 to 10161. [2018-11-18 13:29:41,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10161 states. [2018-11-18 13:29:41,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10161 states to 10161 states and 12374 transitions. [2018-11-18 13:29:41,187 INFO L78 Accepts]: Start accepts. Automaton has 10161 states and 12374 transitions. Word has length 918 [2018-11-18 13:29:41,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:29:41,188 INFO L480 AbstractCegarLoop]: Abstraction has 10161 states and 12374 transitions. [2018-11-18 13:29:41,188 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:29:41,188 INFO L276 IsEmpty]: Start isEmpty. Operand 10161 states and 12374 transitions. [2018-11-18 13:29:41,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 954 [2018-11-18 13:29:41,206 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:29:41,206 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:29:41,207 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:29:41,207 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:29:41,208 INFO L82 PathProgramCache]: Analyzing trace with hash 1219254625, now seen corresponding path program 1 times [2018-11-18 13:29:41,208 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:29:41,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:29:41,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:29:41,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:29:41,209 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:29:41,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:41,582 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-18 13:29:42,087 INFO L134 CoverageAnalysis]: Checked inductivity of 2082 backedges. 897 proven. 569 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2018-11-18 13:29:42,087 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:29:42,087 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:29:42,088 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 954 with the following transitions: [2018-11-18 13:29:42,088 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:29:42,090 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:29:42,091 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:29:42,534 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:29:42,534 INFO L272 AbstractInterpreter]: Visited 253 different actions 1015 times. Merged at 11 different actions 38 times. Never widened. Performed 11799 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11799 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 12 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-18 13:29:42,541 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:29:42,542 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:29:42,542 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:29:42,542 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c53ff0a8-be64-45d1-a743-1183125ef47d/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:29:42,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:29:42,548 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:29:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:42,681 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:29:42,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2082 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 1737 trivial. 0 not checked. [2018-11-18 13:29:42,919 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:29:43,283 INFO L134 CoverageAnalysis]: Checked inductivity of 2082 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 1737 trivial. 0 not checked. [2018-11-18 13:29:43,299 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:29:43,299 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-11-18 13:29:43,300 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:29:43,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:29:43,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:29:43,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:29:43,300 INFO L87 Difference]: Start difference. First operand 10161 states and 12374 transitions. Second operand 3 states. [2018-11-18 13:29:44,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:29:44,189 INFO L93 Difference]: Finished difference Result 19978 states and 24395 transitions. [2018-11-18 13:29:44,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:29:44,190 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 953 [2018-11-18 13:29:44,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:29:44,209 INFO L225 Difference]: With dead ends: 19978 [2018-11-18 13:29:44,209 INFO L226 Difference]: Without dead ends: 10161 [2018-11-18 13:29:44,234 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1918 GetRequests, 1907 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:29:44,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10161 states. [2018-11-18 13:29:44,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10161 to 10158. [2018-11-18 13:29:44,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10158 states. [2018-11-18 13:29:44,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10158 states to 10158 states and 11894 transitions. [2018-11-18 13:29:44,379 INFO L78 Accepts]: Start accepts. Automaton has 10158 states and 11894 transitions. Word has length 953 [2018-11-18 13:29:44,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:29:44,380 INFO L480 AbstractCegarLoop]: Abstraction has 10158 states and 11894 transitions. [2018-11-18 13:29:44,380 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:29:44,380 INFO L276 IsEmpty]: Start isEmpty. Operand 10158 states and 11894 transitions. [2018-11-18 13:29:44,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 991 [2018-11-18 13:29:44,391 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:29:44,392 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:29:44,392 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:29:44,392 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:29:44,392 INFO L82 PathProgramCache]: Analyzing trace with hash 450718926, now seen corresponding path program 1 times [2018-11-18 13:29:44,392 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:29:44,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:29:44,393 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:29:44,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:29:44,393 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:29:44,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:45,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1875 backedges. 970 proven. 2 refuted. 0 times theorem prover too weak. 903 trivial. 0 not checked. [2018-11-18 13:29:45,100 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:29:45,101 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:29:45,101 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 991 with the following transitions: [2018-11-18 13:29:45,101 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:29:45,104 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:29:45,104 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:29:45,740 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:29:45,741 INFO L272 AbstractInterpreter]: Visited 252 different actions 1009 times. Merged at 10 different actions 36 times. Never widened. Performed 11769 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11769 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 10 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-18 13:29:45,749 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:29:45,750 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:29:45,750 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:29:45,750 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c53ff0a8-be64-45d1-a743-1183125ef47d/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:29:45,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:29:45,756 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:29:45,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:45,950 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:29:46,306 INFO L134 CoverageAnalysis]: Checked inductivity of 1875 backedges. 970 proven. 2 refuted. 0 times theorem prover too weak. 903 trivial. 0 not checked. [2018-11-18 13:29:46,306 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:29:46,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1875 backedges. 970 proven. 2 refuted. 0 times theorem prover too weak. 903 trivial. 0 not checked. [2018-11-18 13:29:46,792 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:29:46,792 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-18 13:29:46,792 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:29:46,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:29:46,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:29:46,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-18 13:29:46,793 INFO L87 Difference]: Start difference. First operand 10158 states and 11894 transitions. Second operand 9 states. [2018-11-18 13:29:50,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:29:50,098 INFO L93 Difference]: Finished difference Result 30968 states and 40499 transitions. [2018-11-18 13:29:50,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 13:29:50,099 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 990 [2018-11-18 13:29:50,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:29:50,175 INFO L225 Difference]: With dead ends: 30968 [2018-11-18 13:29:50,175 INFO L226 Difference]: Without dead ends: 16491 [2018-11-18 13:29:50,255 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2004 GetRequests, 1984 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=135, Invalid=285, Unknown=0, NotChecked=0, Total=420 [2018-11-18 13:29:50,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16491 states. [2018-11-18 13:29:50,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16491 to 16187. [2018-11-18 13:29:50,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16187 states. [2018-11-18 13:29:50,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16187 states to 16187 states and 18750 transitions. [2018-11-18 13:29:50,676 INFO L78 Accepts]: Start accepts. Automaton has 16187 states and 18750 transitions. Word has length 990 [2018-11-18 13:29:50,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:29:50,677 INFO L480 AbstractCegarLoop]: Abstraction has 16187 states and 18750 transitions. [2018-11-18 13:29:50,677 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:29:50,677 INFO L276 IsEmpty]: Start isEmpty. Operand 16187 states and 18750 transitions. [2018-11-18 13:29:50,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1264 [2018-11-18 13:29:50,704 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:29:50,704 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:29:50,705 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:29:50,705 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:29:50,705 INFO L82 PathProgramCache]: Analyzing trace with hash -181453935, now seen corresponding path program 1 times [2018-11-18 13:29:50,705 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:29:50,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:29:50,708 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:29:50,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:29:50,708 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:29:50,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:51,782 INFO L134 CoverageAnalysis]: Checked inductivity of 3778 backedges. 1417 proven. 2 refuted. 0 times theorem prover too weak. 2359 trivial. 0 not checked. [2018-11-18 13:29:51,782 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:29:51,782 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:29:51,782 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1264 with the following transitions: [2018-11-18 13:29:51,783 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:29:51,787 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:29:51,787 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:29:52,303 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:29:52,304 INFO L272 AbstractInterpreter]: Visited 255 different actions 1027 times. Merged at 12 different actions 42 times. Never widened. Performed 11981 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11981 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 14 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-18 13:29:52,306 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:29:52,306 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:29:52,306 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:29:52,306 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c53ff0a8-be64-45d1-a743-1183125ef47d/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:29:52,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:29:52,313 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:29:52,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:52,475 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:29:53,023 INFO L134 CoverageAnalysis]: Checked inductivity of 3778 backedges. 1417 proven. 2 refuted. 0 times theorem prover too weak. 2359 trivial. 0 not checked. [2018-11-18 13:29:53,023 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:29:53,582 INFO L134 CoverageAnalysis]: Checked inductivity of 3778 backedges. 1417 proven. 2 refuted. 0 times theorem prover too weak. 2359 trivial. 0 not checked. [2018-11-18 13:29:53,606 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:29:53,607 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 13:29:53,607 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:29:53,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:29:53,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:29:53,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:29:53,608 INFO L87 Difference]: Start difference. First operand 16187 states and 18750 transitions. Second operand 9 states. [2018-11-18 13:29:56,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:29:56,511 INFO L93 Difference]: Finished difference Result 32487 states and 37607 transitions. [2018-11-18 13:29:56,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 13:29:56,512 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1263 [2018-11-18 13:29:56,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:29:56,548 INFO L225 Difference]: With dead ends: 32487 [2018-11-18 13:29:56,548 INFO L226 Difference]: Without dead ends: 15305 [2018-11-18 13:29:56,599 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2553 GetRequests, 2531 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-11-18 13:29:56,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15305 states. [2018-11-18 13:29:56,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15305 to 15077. [2018-11-18 13:29:56,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15077 states. [2018-11-18 13:29:56,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15077 states to 15077 states and 16082 transitions. [2018-11-18 13:29:56,807 INFO L78 Accepts]: Start accepts. Automaton has 15077 states and 16082 transitions. Word has length 1263 [2018-11-18 13:29:56,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:29:56,808 INFO L480 AbstractCegarLoop]: Abstraction has 15077 states and 16082 transitions. [2018-11-18 13:29:56,808 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:29:56,808 INFO L276 IsEmpty]: Start isEmpty. Operand 15077 states and 16082 transitions. [2018-11-18 13:29:56,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1361 [2018-11-18 13:29:56,831 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:29:56,832 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:29:56,832 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:29:56,832 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:29:56,832 INFO L82 PathProgramCache]: Analyzing trace with hash -75284664, now seen corresponding path program 1 times [2018-11-18 13:29:56,832 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:29:56,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:29:56,833 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:29:56,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:29:56,833 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:29:56,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:57,668 INFO L134 CoverageAnalysis]: Checked inductivity of 3819 backedges. 461 proven. 0 refuted. 0 times theorem prover too weak. 3358 trivial. 0 not checked. [2018-11-18 13:29:57,668 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:29:57,668 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 13:29:57,668 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:29:57,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 13:29:57,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 13:29:57,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 13:29:57,670 INFO L87 Difference]: Start difference. First operand 15077 states and 16082 transitions. Second operand 4 states. [2018-11-18 13:29:58,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:29:58,697 INFO L93 Difference]: Finished difference Result 26190 states and 28026 transitions. [2018-11-18 13:29:58,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 13:29:58,698 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1360 [2018-11-18 13:29:58,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:29:58,712 INFO L225 Difference]: With dead ends: 26190 [2018-11-18 13:29:58,712 INFO L226 Difference]: Without dead ends: 8941 [2018-11-18 13:29:58,736 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 13:29:58,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8941 states. [2018-11-18 13:29:58,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8941 to 8941. [2018-11-18 13:29:58,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8941 states. [2018-11-18 13:29:58,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8941 states to 8941 states and 9471 transitions. [2018-11-18 13:29:58,855 INFO L78 Accepts]: Start accepts. Automaton has 8941 states and 9471 transitions. Word has length 1360 [2018-11-18 13:29:58,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:29:58,856 INFO L480 AbstractCegarLoop]: Abstraction has 8941 states and 9471 transitions. [2018-11-18 13:29:58,856 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 13:29:58,856 INFO L276 IsEmpty]: Start isEmpty. Operand 8941 states and 9471 transitions. [2018-11-18 13:29:58,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1480 [2018-11-18 13:29:58,877 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:29:58,878 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:29:58,878 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:29:58,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:29:58,878 INFO L82 PathProgramCache]: Analyzing trace with hash -2106977305, now seen corresponding path program 1 times [2018-11-18 13:29:58,879 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:29:58,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:29:58,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:29:58,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:29:58,879 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:29:58,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:00,057 INFO L134 CoverageAnalysis]: Checked inductivity of 5010 backedges. 1674 proven. 2 refuted. 0 times theorem prover too weak. 3334 trivial. 0 not checked. [2018-11-18 13:30:00,057 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:30:00,057 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:30:00,058 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1480 with the following transitions: [2018-11-18 13:30:00,058 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:30:00,060 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:30:00,060 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:30:00,716 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:30:00,716 INFO L272 AbstractInterpreter]: Visited 256 different actions 1028 times. Merged at 12 different actions 39 times. Never widened. Performed 12010 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12010 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 15 fixpoints after 7 different actions. Largest state had 24 variables. [2018-11-18 13:30:00,722 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:30:00,722 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:30:00,722 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:30:00,722 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c53ff0a8-be64-45d1-a743-1183125ef47d/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:30:00,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:30:00,731 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:30:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:00,948 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:30:01,816 INFO L134 CoverageAnalysis]: Checked inductivity of 5010 backedges. 1674 proven. 2 refuted. 0 times theorem prover too weak. 3334 trivial. 0 not checked. [2018-11-18 13:30:01,816 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:30:02,615 INFO L134 CoverageAnalysis]: Checked inductivity of 5010 backedges. 1674 proven. 2 refuted. 0 times theorem prover too weak. 3334 trivial. 0 not checked. [2018-11-18 13:30:02,635 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:30:02,635 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-11-18 13:30:02,635 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:30:02,636 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 13:30:02,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 13:30:02,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-18 13:30:02,637 INFO L87 Difference]: Start difference. First operand 8941 states and 9471 transitions. Second operand 10 states. [2018-11-18 13:30:04,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:30:04,772 INFO L93 Difference]: Finished difference Result 18332 states and 19460 transitions. [2018-11-18 13:30:04,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 13:30:04,773 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1479 [2018-11-18 13:30:04,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:30:04,789 INFO L225 Difference]: With dead ends: 18332 [2018-11-18 13:30:04,789 INFO L226 Difference]: Without dead ends: 9735 [2018-11-18 13:30:04,797 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2979 GetRequests, 2960 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2018-11-18 13:30:04,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9735 states. [2018-11-18 13:30:04,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9735 to 9733. [2018-11-18 13:30:04,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9733 states. [2018-11-18 13:30:04,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9733 states to 9733 states and 10162 transitions. [2018-11-18 13:30:04,899 INFO L78 Accepts]: Start accepts. Automaton has 9733 states and 10162 transitions. Word has length 1479 [2018-11-18 13:30:04,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:30:04,900 INFO L480 AbstractCegarLoop]: Abstraction has 9733 states and 10162 transitions. [2018-11-18 13:30:04,900 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 13:30:04,900 INFO L276 IsEmpty]: Start isEmpty. Operand 9733 states and 10162 transitions. [2018-11-18 13:30:04,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1678 [2018-11-18 13:30:04,917 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:30:04,918 INFO L375 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:30:04,918 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:30:04,918 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:30:04,918 INFO L82 PathProgramCache]: Analyzing trace with hash -721684175, now seen corresponding path program 1 times [2018-11-18 13:30:04,918 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:30:04,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:30:04,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:30:04,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:30:04,919 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:30:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:06,263 INFO L134 CoverageAnalysis]: Checked inductivity of 6324 backedges. 1685 proven. 158 refuted. 0 times theorem prover too weak. 4481 trivial. 0 not checked. [2018-11-18 13:30:06,263 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:30:06,263 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:30:06,264 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1678 with the following transitions: [2018-11-18 13:30:06,264 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1028], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:30:06,269 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:30:06,269 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:30:06,770 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:30:06,770 INFO L272 AbstractInterpreter]: Visited 272 different actions 1095 times. Merged at 13 different actions 42 times. Never widened. Performed 12906 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12906 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 16 fixpoints after 7 different actions. Largest state had 24 variables. [2018-11-18 13:30:06,781 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:30:06,782 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:30:06,782 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:30:06,782 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c53ff0a8-be64-45d1-a743-1183125ef47d/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:30:06,788 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:30:06,788 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:30:06,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:07,003 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:30:07,933 INFO L134 CoverageAnalysis]: Checked inductivity of 6324 backedges. 2908 proven. 2 refuted. 0 times theorem prover too weak. 3414 trivial. 0 not checked. [2018-11-18 13:30:07,933 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:30:08,769 INFO L134 CoverageAnalysis]: Checked inductivity of 6324 backedges. 1685 proven. 158 refuted. 0 times theorem prover too weak. 4481 trivial. 0 not checked. [2018-11-18 13:30:08,786 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:30:08,786 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 13:30:08,786 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:30:08,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:30:08,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:30:08,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:30:08,787 INFO L87 Difference]: Start difference. First operand 9733 states and 10162 transitions. Second operand 9 states. [2018-11-18 13:30:10,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:30:10,280 INFO L93 Difference]: Finished difference Result 16988 states and 17674 transitions. [2018-11-18 13:30:10,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 13:30:10,280 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1677 [2018-11-18 13:30:10,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:30:10,290 INFO L225 Difference]: With dead ends: 16988 [2018-11-18 13:30:10,290 INFO L226 Difference]: Without dead ends: 9302 [2018-11-18 13:30:10,298 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3371 GetRequests, 3355 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-11-18 13:30:10,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9302 states. [2018-11-18 13:30:10,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9302 to 9279. [2018-11-18 13:30:10,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9279 states. [2018-11-18 13:30:10,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9279 states to 9279 states and 9494 transitions. [2018-11-18 13:30:10,373 INFO L78 Accepts]: Start accepts. Automaton has 9279 states and 9494 transitions. Word has length 1677 [2018-11-18 13:30:10,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:30:10,374 INFO L480 AbstractCegarLoop]: Abstraction has 9279 states and 9494 transitions. [2018-11-18 13:30:10,374 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:30:10,374 INFO L276 IsEmpty]: Start isEmpty. Operand 9279 states and 9494 transitions. [2018-11-18 13:30:10,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1817 [2018-11-18 13:30:10,394 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:30:10,394 INFO L375 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:30:10,394 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:30:10,395 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:30:10,395 INFO L82 PathProgramCache]: Analyzing trace with hash 457802005, now seen corresponding path program 1 times [2018-11-18 13:30:10,395 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:30:10,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:30:10,396 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:30:10,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:30:10,396 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:30:10,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:14,024 INFO L134 CoverageAnalysis]: Checked inductivity of 6482 backedges. 2509 proven. 1143 refuted. 0 times theorem prover too weak. 2830 trivial. 0 not checked. [2018-11-18 13:30:14,024 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:30:14,024 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:30:14,025 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1817 with the following transitions: [2018-11-18 13:30:14,025 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1560], [1566], [1570], [1572], [1577], [1578], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:30:14,029 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:30:14,029 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:30:14,822 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:30:14,823 INFO L272 AbstractInterpreter]: Visited 354 different actions 1414 times. Merged at 12 different actions 42 times. Never widened. Performed 17387 root evaluator evaluations with a maximum evaluation depth of 18. Performed 17387 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 16 fixpoints after 7 different actions. Largest state had 24 variables. [2018-11-18 13:30:14,825 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:30:14,826 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:30:14,826 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:30:14,826 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c53ff0a8-be64-45d1-a743-1183125ef47d/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:30:14,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:30:14,835 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:30:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:15,075 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:30:16,362 INFO L134 CoverageAnalysis]: Checked inductivity of 6482 backedges. 2605 proven. 2 refuted. 0 times theorem prover too weak. 3875 trivial. 0 not checked. [2018-11-18 13:30:16,362 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:30:18,687 INFO L134 CoverageAnalysis]: Checked inductivity of 6482 backedges. 591 proven. 2424 refuted. 0 times theorem prover too weak. 3467 trivial. 0 not checked. [2018-11-18 13:30:18,713 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:30:18,713 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 8] total 25 [2018-11-18 13:30:18,713 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:30:18,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-18 13:30:18,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-18 13:30:18,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=500, Unknown=0, NotChecked=0, Total=600 [2018-11-18 13:30:18,715 INFO L87 Difference]: Start difference. First operand 9279 states and 9494 transitions. Second operand 20 states. [2018-11-18 13:30:25,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:30:25,988 INFO L93 Difference]: Finished difference Result 17816 states and 18279 transitions. [2018-11-18 13:30:25,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-11-18 13:30:25,989 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1816 [2018-11-18 13:30:25,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:30:26,000 INFO L225 Difference]: With dead ends: 17816 [2018-11-18 13:30:26,000 INFO L226 Difference]: Without dead ends: 10584 [2018-11-18 13:30:26,007 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3726 GetRequests, 3658 SyntacticMatches, 3 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1179 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=824, Invalid=3598, Unknown=0, NotChecked=0, Total=4422 [2018-11-18 13:30:26,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10584 states. [2018-11-18 13:30:26,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10584 to 9669. [2018-11-18 13:30:26,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9669 states. [2018-11-18 13:30:26,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9669 states to 9669 states and 9880 transitions. [2018-11-18 13:30:26,091 INFO L78 Accepts]: Start accepts. Automaton has 9669 states and 9880 transitions. Word has length 1816 [2018-11-18 13:30:26,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:30:26,091 INFO L480 AbstractCegarLoop]: Abstraction has 9669 states and 9880 transitions. [2018-11-18 13:30:26,091 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-18 13:30:26,091 INFO L276 IsEmpty]: Start isEmpty. Operand 9669 states and 9880 transitions. [2018-11-18 13:30:26,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1978 [2018-11-18 13:30:26,113 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:30:26,114 INFO L375 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:30:26,114 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:30:26,114 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:30:26,114 INFO L82 PathProgramCache]: Analyzing trace with hash 1817718717, now seen corresponding path program 1 times [2018-11-18 13:30:26,115 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:30:26,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:30:26,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:30:26,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:30:26,115 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:30:26,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:27,898 INFO L134 CoverageAnalysis]: Checked inductivity of 7530 backedges. 2091 proven. 2 refuted. 0 times theorem prover too weak. 5437 trivial. 0 not checked. [2018-11-18 13:30:27,898 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:30:27,898 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:30:27,898 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1978 with the following transitions: [2018-11-18 13:30:27,898 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1028], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:30:27,901 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:30:27,901 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:30:28,784 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:30:28,784 INFO L272 AbstractInterpreter]: Visited 291 different actions 1165 times. Merged at 12 different actions 36 times. Never widened. Performed 13985 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13985 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 15 fixpoints after 9 different actions. Largest state had 24 variables. [2018-11-18 13:30:28,796 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:30:28,796 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:30:28,796 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:30:28,796 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c53ff0a8-be64-45d1-a743-1183125ef47d/bin-2019/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:30:28,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:30:28,809 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:30:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:29,046 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:30:29,982 INFO L134 CoverageAnalysis]: Checked inductivity of 7530 backedges. 2091 proven. 2 refuted. 0 times theorem prover too weak. 5437 trivial. 0 not checked. [2018-11-18 13:30:29,982 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:30:31,420 INFO L134 CoverageAnalysis]: Checked inductivity of 7530 backedges. 2091 proven. 2 refuted. 0 times theorem prover too weak. 5437 trivial. 0 not checked. [2018-11-18 13:30:31,442 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:30:31,442 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2018-11-18 13:30:31,442 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:30:31,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 13:30:31,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 13:30:31,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-18 13:30:31,444 INFO L87 Difference]: Start difference. First operand 9669 states and 9880 transitions. Second operand 7 states. [2018-11-18 13:30:33,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:30:33,262 INFO L93 Difference]: Finished difference Result 23373 states and 23964 transitions. [2018-11-18 13:30:33,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 13:30:33,263 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1977 [2018-11-18 13:30:33,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:30:33,283 INFO L225 Difference]: With dead ends: 23373 [2018-11-18 13:30:33,283 INFO L226 Difference]: Without dead ends: 14049 [2018-11-18 13:30:33,292 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3967 GetRequests, 3955 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2018-11-18 13:30:33,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14049 states. [2018-11-18 13:30:33,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14049 to 13414. [2018-11-18 13:30:33,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13414 states. [2018-11-18 13:30:33,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13414 states to 13414 states and 13723 transitions. [2018-11-18 13:30:33,420 INFO L78 Accepts]: Start accepts. Automaton has 13414 states and 13723 transitions. Word has length 1977 [2018-11-18 13:30:33,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:30:33,421 INFO L480 AbstractCegarLoop]: Abstraction has 13414 states and 13723 transitions. [2018-11-18 13:30:33,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 13:30:33,421 INFO L276 IsEmpty]: Start isEmpty. Operand 13414 states and 13723 transitions. [2018-11-18 13:30:33,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2025 [2018-11-18 13:30:33,445 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:30:33,446 INFO L375 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:30:33,446 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:30:33,446 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:30:33,447 INFO L82 PathProgramCache]: Analyzing trace with hash 2013506948, now seen corresponding path program 1 times [2018-11-18 13:30:33,447 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:30:33,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:30:33,447 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:30:33,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:30:33,447 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:30:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:35,986 INFO L134 CoverageAnalysis]: Checked inductivity of 7802 backedges. 1447 proven. 885 refuted. 0 times theorem prover too weak. 5470 trivial. 0 not checked. [2018-11-18 13:30:35,987 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:30:35,987 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:30:35,987 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 2025 with the following transitions: [2018-11-18 13:30:35,987 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1216], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:30:35,990 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:30:35,990 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:30:36,898 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:30:36,898 INFO L272 AbstractInterpreter]: Visited 291 different actions 1163 times. Merged at 11 different actions 34 times. Never widened. Performed 13973 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13973 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 15 fixpoints after 9 different actions. Largest state had 24 variables. [2018-11-18 13:30:36,899 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:30:36,899 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:30:36,899 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:30:36,899 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c53ff0a8-be64-45d1-a743-1183125ef47d/bin-2019/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:30:36,907 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:30:36,908 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:30:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:37,190 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:30:38,731 INFO L134 CoverageAnalysis]: Checked inductivity of 7802 backedges. 5133 proven. 2 refuted. 0 times theorem prover too weak. 2667 trivial. 0 not checked. [2018-11-18 13:30:38,731 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:30:41,685 INFO L134 CoverageAnalysis]: Checked inductivity of 7802 backedges. 1447 proven. 885 refuted. 0 times theorem prover too weak. 5470 trivial. 0 not checked. [2018-11-18 13:30:41,701 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:30:41,702 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-18 13:30:41,702 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:30:41,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 13:30:41,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 13:30:41,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2018-11-18 13:30:41,704 INFO L87 Difference]: Start difference. First operand 13414 states and 13723 transitions. Second operand 11 states. [2018-11-18 13:30:44,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:30:44,881 INFO L93 Difference]: Finished difference Result 23779 states and 24370 transitions. [2018-11-18 13:30:44,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-18 13:30:44,881 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 2024 [2018-11-18 13:30:44,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:30:44,901 INFO L225 Difference]: With dead ends: 23779 [2018-11-18 13:30:44,901 INFO L226 Difference]: Without dead ends: 13445 [2018-11-18 13:30:44,910 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4090 GetRequests, 4060 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=210, Invalid=660, Unknown=0, NotChecked=0, Total=870 [2018-11-18 13:30:44,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13445 states. [2018-11-18 13:30:45,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13445 to 13072. [2018-11-18 13:30:45,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13072 states. [2018-11-18 13:30:45,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13072 states to 13072 states and 13354 transitions. [2018-11-18 13:30:45,033 INFO L78 Accepts]: Start accepts. Automaton has 13072 states and 13354 transitions. Word has length 2024 [2018-11-18 13:30:45,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:30:45,034 INFO L480 AbstractCegarLoop]: Abstraction has 13072 states and 13354 transitions. [2018-11-18 13:30:45,034 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 13:30:45,034 INFO L276 IsEmpty]: Start isEmpty. Operand 13072 states and 13354 transitions. [2018-11-18 13:30:45,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2263 [2018-11-18 13:30:45,062 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:30:45,062 INFO L375 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:30:45,062 INFO L423 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:30:45,063 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:30:45,063 INFO L82 PathProgramCache]: Analyzing trace with hash 1466629460, now seen corresponding path program 1 times [2018-11-18 13:30:45,063 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:30:45,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:30:45,064 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:30:45,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:30:45,064 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:30:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:49,979 INFO L134 CoverageAnalysis]: Checked inductivity of 10377 backedges. 2851 proven. 2146 refuted. 0 times theorem prover too weak. 5380 trivial. 0 not checked. [2018-11-18 13:30:49,979 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:30:49,979 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:30:49,979 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 2263 with the following transitions: [2018-11-18 13:30:49,979 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [776], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1216], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1532], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:30:49,982 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:30:49,982 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:30:53,090 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:30:53,090 INFO L272 AbstractInterpreter]: Visited 304 different actions 1222 times. Merged at 12 different actions 41 times. Widened at 1 different actions 1 times. Performed 14635 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14635 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 18 fixpoints after 10 different actions. Largest state had 24 variables. [2018-11-18 13:30:53,105 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:30:53,106 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:30:53,106 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:30:53,106 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c53ff0a8-be64-45d1-a743-1183125ef47d/bin-2019/utaipan/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:30:53,112 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:30:53,112 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:30:53,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:30:53,382 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:30:54,892 INFO L134 CoverageAnalysis]: Checked inductivity of 10377 backedges. 6887 proven. 6 refuted. 0 times theorem prover too weak. 3484 trivial. 0 not checked. [2018-11-18 13:30:54,892 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:30:57,226 INFO L134 CoverageAnalysis]: Checked inductivity of 10377 backedges. 2013 proven. 1345 refuted. 0 times theorem prover too weak. 7019 trivial. 0 not checked. [2018-11-18 13:30:57,242 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:30:57,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8, 8] total 28 [2018-11-18 13:30:57,243 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:30:57,244 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-11-18 13:30:57,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-11-18 13:30:57,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=650, Unknown=0, NotChecked=0, Total=756 [2018-11-18 13:30:57,245 INFO L87 Difference]: Start difference. First operand 13072 states and 13354 transitions. Second operand 23 states. [2018-11-18 13:31:12,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:31:12,089 INFO L93 Difference]: Finished difference Result 25058 states and 25639 transitions. [2018-11-18 13:31:12,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2018-11-18 13:31:12,089 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 2262 [2018-11-18 13:31:12,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:31:12,107 INFO L225 Difference]: With dead ends: 25058 [2018-11-18 13:31:12,108 INFO L226 Difference]: Without dead ends: 15066 [2018-11-18 13:31:12,116 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4669 GetRequests, 4571 SyntacticMatches, 5 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2475 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=1516, Invalid=7414, Unknown=0, NotChecked=0, Total=8930 [2018-11-18 13:31:12,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15066 states. [2018-11-18 13:31:12,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15066 to 14121. [2018-11-18 13:31:12,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14121 states. [2018-11-18 13:31:12,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14121 states to 14121 states and 14446 transitions. [2018-11-18 13:31:12,245 INFO L78 Accepts]: Start accepts. Automaton has 14121 states and 14446 transitions. Word has length 2262 [2018-11-18 13:31:12,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:31:12,246 INFO L480 AbstractCegarLoop]: Abstraction has 14121 states and 14446 transitions. [2018-11-18 13:31:12,246 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-11-18 13:31:12,246 INFO L276 IsEmpty]: Start isEmpty. Operand 14121 states and 14446 transitions. [2018-11-18 13:31:12,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2267 [2018-11-18 13:31:12,271 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:31:12,272 INFO L375 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:31:12,272 INFO L423 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:31:12,272 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:31:12,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1201378808, now seen corresponding path program 1 times [2018-11-18 13:31:12,273 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:31:12,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:12,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:31:12,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:31:12,274 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:31:12,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:20,483 INFO L134 CoverageAnalysis]: Checked inductivity of 10004 backedges. 1450 proven. 6082 refuted. 0 times theorem prover too weak. 2472 trivial. 0 not checked. [2018-11-18 13:31:20,483 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:31:20,483 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:31:20,483 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 2267 with the following transitions: [2018-11-18 13:31:20,483 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1216], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1396], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:31:20,486 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:31:20,486 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:31:21,450 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:31:21,450 INFO L272 AbstractInterpreter]: Visited 293 different actions 1180 times. Merged at 14 different actions 43 times. Never widened. Performed 14151 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14151 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 18 fixpoints after 9 different actions. Largest state had 24 variables. [2018-11-18 13:31:21,451 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:31:21,452 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:31:21,452 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:31:21,452 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c53ff0a8-be64-45d1-a743-1183125ef47d/bin-2019/utaipan/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:31:21,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:31:21,460 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:31:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:31:21,723 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:31:23,334 INFO L134 CoverageAnalysis]: Checked inductivity of 10004 backedges. 5489 proven. 2 refuted. 0 times theorem prover too weak. 4513 trivial. 0 not checked. [2018-11-18 13:31:23,334 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:31:25,339 INFO L134 CoverageAnalysis]: Checked inductivity of 10004 backedges. 1226 proven. 749 refuted. 0 times theorem prover too weak. 8029 trivial. 0 not checked. [2018-11-18 13:31:25,364 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:31:25,365 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 5, 5] total 30 [2018-11-18 13:31:25,365 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:31:25,367 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-11-18 13:31:25,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-11-18 13:31:25,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=742, Unknown=0, NotChecked=0, Total=870 [2018-11-18 13:31:25,367 INFO L87 Difference]: Start difference. First operand 14121 states and 14446 transitions. Second operand 28 states. [2018-11-18 13:31:33,782 WARN L180 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 33 [2018-11-18 13:31:38,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:31:38,211 INFO L93 Difference]: Finished difference Result 29334 states and 30115 transitions. [2018-11-18 13:31:38,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-11-18 13:31:38,212 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 2266 [2018-11-18 13:31:38,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:31:38,213 INFO L225 Difference]: With dead ends: 29334 [2018-11-18 13:31:38,213 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 13:31:38,239 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4679 GetRequests, 4581 SyntacticMatches, 7 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2818 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=1286, Invalid=7270, Unknown=0, NotChecked=0, Total=8556 [2018-11-18 13:31:38,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 13:31:38,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 13:31:38,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 13:31:38,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 13:31:38,240 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2266 [2018-11-18 13:31:38,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:31:38,241 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 13:31:38,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-11-18 13:31:38,241 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 13:31:38,241 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:31:38,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 13:31:38,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:38,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:38,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:38,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:38,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:38,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:38,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:38,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:38,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:38,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:38,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:38,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:38,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:38,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:38,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:38,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:38,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:38,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:38,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:38,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:38,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:38,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:38,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:38,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:38,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:38,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:38,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:38,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:38,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:38,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:38,862 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:38,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:38,915 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:38,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:38,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:38,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:39,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:39,068 WARN L180 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 341 [2018-11-18 13:31:39,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:39,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:39,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:39,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:39,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:39,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:39,719 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:39,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:39,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:39,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:39,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:39,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:39,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:39,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:39,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:39,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:39,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:39,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:39,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:39,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:39,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:39,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:39,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:39,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:39,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:39,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:40,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:40,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:40,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:40,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:40,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:40,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:40,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:40,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:40,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:40,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:31:40,352 WARN L180 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 582 DAG size of output: 402 [2018-11-18 13:31:41,913 WARN L180 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 311 DAG size of output: 99 [2018-11-18 13:31:43,663 WARN L180 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 403 DAG size of output: 108 [2018-11-18 13:31:45,217 WARN L180 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 380 DAG size of output: 107 [2018-11-18 13:31:47,678 WARN L180 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 420 DAG size of output: 132 [2018-11-18 13:31:49,263 WARN L180 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 375 DAG size of output: 101 [2018-11-18 13:31:49,273 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:31:49,273 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= ~a18~0 |old(~a18~0)|) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-11-18 13:31:49,274 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:31:49,274 INFO L425 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,274 INFO L425 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-11-18 13:31:49,274 INFO L425 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,274 INFO L425 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,274 INFO L425 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,274 INFO L425 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,274 INFO L425 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,274 INFO L425 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,274 INFO L425 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,274 INFO L425 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,274 INFO L425 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,274 INFO L425 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,274 INFO L425 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,274 INFO L425 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,275 INFO L425 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,275 INFO L425 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,275 INFO L425 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,275 INFO L425 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,275 INFO L425 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,275 INFO L425 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,275 INFO L425 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,275 INFO L425 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,275 INFO L425 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,275 INFO L425 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,275 INFO L425 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,275 INFO L425 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,275 INFO L425 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,275 INFO L425 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,275 INFO L425 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,276 INFO L421 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse10 (= ~a16~0 |old(~a16~0)|)) (.cse11 (= ~a18~0 |old(~a18~0)|)) (.cse19 (= 8 |old(~a12~0)|)) (.cse6 (not (= 3 |old(~a15~0)|))) (.cse13 (not (= 11 |old(~a16~0)|))) (.cse3 (= 4 |old(~a15~0)|)) (.cse14 (= |old(~a16~0)| ~a16~0)) (.cse12 (= |old(~a15~0)| ~a15~0)) (.cse15 (= |old(~a12~0)| ~a12~0))) (let ((.cse5 (< |old(~a16~0)| 12)) (.cse1 (= 6 |old(~a12~0)|)) (.cse17 (not (= 8 |old(~a16~0)|))) (.cse4 (< |old(~a12~0)| 6)) (.cse7 (not (= 5 |old(~a12~0)|))) (.cse20 (and .cse14 .cse12 .cse15)) (.cse9 (not (= 9 |old(~a16~0)|))) (.cse8 (not .cse3)) (.cse0 (let ((.cse21 (= 0 |old(~a12~0)|))) (and (or .cse6 (not (= (+ |old(~a18~0)| 87) 0)) .cse21 .cse13) (or .cse6 .cse21 (not (= 0 (mod |old(~a12~0)| 2))) .cse13)))) (.cse18 (not .cse19)) (.cse2 (and .cse12 .cse10 .cse11 .cse15))) (and (or .cse0 (not .cse1) .cse2) (or .cse3 .cse4 .cse5 .cse2) (or .cse6 .cse7 .cse5 .cse2) (or .cse8 .cse4 .cse2 .cse9) (or (and .cse10 .cse11 (= ~a12~0 5) .cse12) (or .cse6 .cse7 .cse13)) (or (and .cse14 .cse11 .cse12 .cse15) (forall ((v_prenex_3 Int)) (let ((.cse16 (* 5 (div (* 10 v_prenex_3) (- 5))))) (or (< |old(~a18~0)| (div .cse16 5)) (< .cse16 5) (< 0 (+ v_prenex_3 79))))) (or .cse17 .cse18)) (or .cse2 .cse6 .cse13 .cse1 .cse4 .cse19 (< 8 |old(~a12~0)|)) (or .cse17 .cse3 .cse19 .cse20) (or .cse3 .cse20 (not (= |old(~a16~0)| 10))) (or .cse8 .cse17 .cse7 .cse2) (or .cse8 .cse17 .cse4 .cse2) (or .cse8 .cse2 .cse7 .cse9) (or .cse3 .cse20 .cse9) (or .cse8 (and .cse12 .cse11 (= ~a16~0 10) .cse15) (not (= 10 |old(~a16~0)|)) (< 7 |old(~a12~0)|)) (or .cse6 .cse13 .cse2 (not (= 9 |old(~a12~0)|))) (or .cse0 .cse18 .cse2)))) [2018-11-18 13:31:49,276 INFO L425 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,276 INFO L425 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,276 INFO L425 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,276 INFO L425 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,276 INFO L425 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,276 INFO L425 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,276 INFO L425 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,276 INFO L425 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-11-18 13:31:49,276 INFO L425 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,276 INFO L425 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,276 INFO L425 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,276 INFO L425 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,277 INFO L425 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,277 INFO L425 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,277 INFO L425 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,277 INFO L425 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,277 INFO L425 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-11-18 13:31:49,277 INFO L425 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,277 INFO L425 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,277 INFO L425 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,277 INFO L425 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,277 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,277 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,277 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,277 INFO L425 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,277 INFO L425 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,277 INFO L425 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,277 INFO L425 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,278 INFO L425 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,278 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,278 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-18 13:31:49,278 INFO L425 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,278 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-18 13:31:49,278 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 13:31:49,278 INFO L421 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse18 (= 8 |old(~a12~0)|)) (.cse16 (not (= calculate_output_~input 0))) (.cse12 (= ~a16~0 |old(~a16~0)|)) (.cse13 (= ~a18~0 |old(~a18~0)|)) (.cse6 (not (= 3 |old(~a15~0)|))) (.cse5 (= 4 |old(~a15~0)|)) (.cse11 (= |old(~a15~0)| ~a15~0)) (.cse15 (= |old(~a12~0)| ~a12~0))) (let ((.cse8 (< |old(~a16~0)| 12)) (.cse3 (not (= 9 |old(~a16~0)|))) (.cse4 (and (= |old(~a16~0)| ~a16~0) .cse11 .cse15)) (.cse0 (not .cse5)) (.cse21 (and (or .cse6 (not (= (+ |old(~a18~0)| 87) 0))) (or .cse6 (not (= 0 (mod |old(~a12~0)| 2)))))) (.cse14 (< 0 (+ ~a18~0 156))) (.cse7 (not (= 5 |old(~a12~0)|))) (.cse19 (not (= |old(~a16~0)| 10))) (.cse20 (not (= 11 |old(~a16~0)|))) (.cse9 (= |calculate_output_#in~input| 0)) (.cse22 (= 6 |old(~a12~0)|)) (.cse1 (< |old(~a12~0)| 6)) (.cse10 (and .cse11 .cse16 .cse12 .cse13 .cse15)) (.cse17 (not (= 8 |old(~a16~0)|))) (.cse23 (not .cse18)) (.cse2 (and .cse11 .cse12 .cse13 .cse15))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3) (or .cse6 .cse7 .cse8 .cse9 .cse10) (or (or .cse0 .cse7 .cse3) (and .cse11 .cse12 .cse13 (or (not (= calculate_output_~input 4)) .cse14) .cse15)) (or .cse5 .cse1 .cse2 .cse8) (or .cse16 .cse6 .cse7 .cse9 .cse3) (or .cse17 .cse5 .cse18 .cse4) (or .cse0 .cse17 .cse7 (and (or (not (= calculate_output_~input 6)) (<= ~a18~0 134)) .cse11 .cse12 .cse13 .cse15)) (or .cse5 .cse4 .cse19) (or .cse0 .cse17 .cse1 .cse2) (or .cse6 .cse20 .cse9 .cse10 (not (= 9 |old(~a12~0)|))) (or .cse0 (and .cse11 .cse13 (= ~a16~0 10) .cse15) (not (= 10 |old(~a16~0)|)) (< 7 |old(~a12~0)|)) (or .cse6 .cse7 .cse20 .cse9 (and .cse16 .cse12 .cse13 (= ~a12~0 5) .cse11)) (or .cse21 .cse20 .cse9 (not .cse22) .cse10) (or .cse17 (or .cse6 .cse7) .cse16 .cse9) (or .cse21 .cse23 .cse20 .cse9 (and .cse11 (or (not (= calculate_output_~input 3)) .cse14) .cse16 .cse12 .cse13 .cse15)) (or .cse16 .cse6 .cse7 .cse9 .cse19) (or .cse6 .cse20 .cse9 .cse22 .cse18 .cse1 (< 8 |old(~a12~0)|) .cse10) (or .cse17 .cse23 (forall ((v_prenex_3 Int)) (let ((.cse24 (* 5 (div (* 10 v_prenex_3) (- 5))))) (or (< |old(~a18~0)| (div .cse24 5)) (< .cse24 5) (< 0 (+ v_prenex_3 79))))) .cse2)))) [2018-11-18 13:31:49,278 INFO L425 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,278 INFO L425 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-11-18 13:31:49,278 INFO L425 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,279 INFO L425 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,279 INFO L425 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,279 INFO L425 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,279 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,279 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,279 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,279 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 13:31:49,279 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-18 13:31:49,279 INFO L425 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,279 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-18 13:31:49,279 INFO L425 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,279 INFO L425 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,279 INFO L425 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,279 INFO L425 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,279 INFO L425 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,279 INFO L425 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,279 INFO L425 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,280 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,280 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,280 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,280 INFO L425 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,280 INFO L425 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,280 INFO L425 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,280 INFO L425 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,280 INFO L425 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,280 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 13:31:49,280 INFO L425 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,280 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-18 13:31:49,280 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-18 13:31:49,280 INFO L425 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,280 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,280 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,280 INFO L425 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,281 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,281 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,281 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,281 INFO L425 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,281 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,281 INFO L425 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,281 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-18 13:31:49,281 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-18 13:31:49,281 INFO L425 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,281 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-18 13:31:49,281 INFO L425 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,281 INFO L425 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,281 INFO L425 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,281 INFO L425 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,281 INFO L425 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,281 INFO L425 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,282 INFO L425 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,282 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,282 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,282 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,282 INFO L425 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,282 INFO L425 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,282 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 13:31:49,282 INFO L425 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,282 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 13:31:49,282 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-18 13:31:49,282 INFO L425 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,282 INFO L425 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,282 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,282 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 172) no Hoare annotation was computed. [2018-11-18 13:31:49,282 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,282 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,283 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,283 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,283 INFO L425 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,283 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,283 INFO L425 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,283 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,283 INFO L425 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,283 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-18 13:31:49,283 INFO L425 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,283 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 13:31:49,283 INFO L425 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,283 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 13:31:49,283 INFO L425 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,283 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,283 INFO L425 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,283 INFO L425 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,283 INFO L425 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,284 INFO L425 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,284 INFO L425 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,284 INFO L425 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,284 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,284 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,284 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,284 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,284 INFO L425 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,284 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-18 13:31:49,284 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 13:31:49,284 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-18 13:31:49,284 INFO L425 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,284 INFO L425 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,284 INFO L425 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,284 INFO L425 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,284 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,285 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,285 INFO L425 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,285 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,285 INFO L425 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,285 INFO L425 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,285 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,285 INFO L425 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,285 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 13:31:49,285 INFO L425 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,285 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 13:31:49,285 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-18 13:31:49,285 INFO L425 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,285 INFO L425 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,285 INFO L425 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,285 INFO L425 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,285 INFO L425 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,286 INFO L425 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,286 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse3 (= ~a16~0 |old(~a16~0)|)) (.cse4 (= ~a18~0 |old(~a18~0)|)) (.cse7 (= 4 |old(~a15~0)|)) (.cse0 (not (= 3 |old(~a15~0)|))) (.cse17 (= 8 |old(~a12~0)|)) (.cse5 (= |old(~a15~0)| ~a15~0)) (.cse19 (= |old(~a12~0)| ~a12~0))) (let ((.cse13 (and (= |old(~a16~0)| ~a16~0) .cse5 .cse19)) (.cse14 (not (= 8 |old(~a16~0)|))) (.cse9 (< |old(~a16~0)| 12)) (.cse16 (not .cse17)) (.cse18 (and (or .cse0 (not (= (+ |old(~a18~0)| 87) 0))) (or .cse0 (not (= 0 (mod |old(~a12~0)| 2)))))) (.cse11 (not .cse7)) (.cse1 (not (= 5 |old(~a12~0)|))) (.cse12 (not (= 9 |old(~a16~0)|))) (.cse20 (= 6 |old(~a12~0)|)) (.cse8 (< |old(~a12~0)| 6)) (.cse2 (not (= 11 |old(~a16~0)|))) (.cse6 (= |calculate_output_#in~input| 0)) (.cse10 (and .cse5 .cse3 .cse4 .cse19))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 (= ~a12~0 5) .cse5) .cse6) (or .cse7 .cse8 .cse9 .cse10) (or .cse11 .cse8 .cse10 .cse12) (or .cse13 .cse7 .cse12) (or .cse14 .cse10 (forall ((v_prenex_3 Int)) (let ((.cse15 (* 5 (div (* 10 v_prenex_3) (- 5))))) (or (< |old(~a18~0)| (div .cse15 5)) (< .cse15 5) (< 0 (+ v_prenex_3 79))))) .cse16) (or .cse14 .cse7 .cse17 .cse13) (or .cse7 .cse13 (not (= |old(~a16~0)| 10))) (or .cse11 .cse14 .cse1 .cse10) (or .cse11 .cse14 .cse8 .cse10) (or .cse10 .cse0 .cse1 .cse9 .cse6) (or .cse18 .cse16 .cse2 .cse6 .cse10) (or .cse11 (and .cse5 .cse4 (= ~a16~0 10) .cse19) (not (= 10 |old(~a16~0)|)) (< 7 |old(~a12~0)|)) (or .cse18 .cse2 .cse6 (not .cse20) .cse10) (or .cse10 (or .cse11 .cse1 .cse12)) (or .cse0 .cse2 .cse6 .cse20 .cse10 .cse17 .cse8 (< 8 |old(~a12~0)|)) (or .cse0 .cse2 .cse6 .cse10 (not (= 9 |old(~a12~0)|)))))) [2018-11-18 13:31:49,286 INFO L425 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,286 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,286 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,286 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,286 INFO L425 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,286 INFO L425 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,286 INFO L425 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,286 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,286 INFO L425 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,286 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 13:31:49,287 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 13:31:49,287 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-18 13:31:49,287 INFO L425 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,287 INFO L425 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,287 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,287 INFO L425 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,287 INFO L425 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,287 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,287 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,287 INFO L425 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,287 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,289 INFO L425 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,289 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,289 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-18 13:31:49,289 INFO L425 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,290 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 13:31:49,290 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-18 13:31:49,290 INFO L425 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,290 INFO L425 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,290 INFO L425 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,290 INFO L425 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,290 INFO L425 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,290 INFO L425 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,290 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,290 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,290 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,290 INFO L425 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,290 INFO L425 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,290 INFO L425 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,290 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 13:31:49,290 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-18 13:31:49,290 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-18 13:31:49,291 INFO L425 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,291 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,291 INFO L425 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,291 INFO L425 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,291 INFO L425 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,291 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,291 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,291 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,291 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,291 INFO L425 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,291 INFO L425 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,291 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,291 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-18 13:31:49,291 INFO L425 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,291 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-18 13:31:49,291 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-18 13:31:49,291 INFO L425 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,292 INFO L425 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,292 INFO L425 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,292 INFO L425 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,292 INFO L425 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,292 INFO L425 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,292 INFO L425 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,292 INFO L425 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,292 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,292 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,292 INFO L425 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,292 INFO L425 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,292 INFO L425 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-18 13:31:49,292 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 13:31:49,292 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-18 13:31:49,292 INFO L425 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,292 INFO L425 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,293 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,293 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,293 INFO L425 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,293 INFO L425 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,293 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,293 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,293 INFO L425 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,293 INFO L425 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,293 INFO L425 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,293 INFO L425 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,293 INFO L425 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,293 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-18 13:31:49,293 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-18 13:31:49,293 INFO L425 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,293 INFO L425 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,293 INFO L425 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,293 INFO L425 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,294 INFO L425 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,294 INFO L425 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,294 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,294 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,294 INFO L425 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,294 INFO L425 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,294 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 13:31:49,294 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-18 13:31:49,294 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,294 INFO L425 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,294 INFO L425 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,294 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,294 INFO L425 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,294 INFO L425 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,294 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,294 INFO L425 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,294 INFO L425 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,295 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,295 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,295 INFO L425 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,295 INFO L425 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,295 INFO L425 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,295 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 13:31:49,295 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 13:31:49,295 INFO L425 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,295 INFO L425 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,295 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,295 INFO L425 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,295 INFO L425 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,295 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,295 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,295 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,295 INFO L425 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,295 INFO L425 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,296 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-18 13:31:49,296 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 13:31:49,296 INFO L425 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,296 INFO L425 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,296 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,296 INFO L425 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,296 INFO L425 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,296 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,296 INFO L425 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,296 INFO L425 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,296 INFO L425 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,296 INFO L425 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,296 INFO L425 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,296 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,296 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,296 INFO L425 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,296 INFO L425 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,297 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 13:31:49,297 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 13:31:49,297 INFO L425 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,297 INFO L425 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,297 INFO L425 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,297 INFO L425 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,297 INFO L425 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,297 INFO L425 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,297 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,297 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,297 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-11-18 13:31:49,297 INFO L425 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,297 INFO L425 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,297 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,297 INFO L425 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,297 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-18 13:31:49,297 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 13:31:49,298 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-18 13:31:49,298 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,298 INFO L425 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,298 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,298 INFO L425 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,298 INFO L425 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,298 INFO L425 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,298 INFO L425 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,298 INFO L425 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,298 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,298 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,298 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,298 INFO L425 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,298 INFO L425 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,298 INFO L425 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,298 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-18 13:31:49,299 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-18 13:31:49,299 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 13:31:49,299 INFO L425 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,299 INFO L425 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,299 INFO L425 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,299 INFO L425 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,299 INFO L425 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,299 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,299 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,299 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,299 INFO L425 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,299 INFO L425 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,299 INFO L425 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,299 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,299 INFO L425 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,299 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,299 INFO L425 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,299 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 13:31:49,300 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-18 13:31:49,300 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-18 13:31:49,300 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,300 INFO L425 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,300 INFO L425 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,300 INFO L425 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,300 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,300 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,300 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,300 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,300 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:31:49,300 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-18 13:31:49,300 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 13:31:49,300 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-18 13:31:49,300 INFO L425 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,300 INFO L425 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,300 INFO L425 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-11-18 13:31:49,301 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:31:49,301 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (let ((.cse0 (+ ~a18~0 87))) (and (<= .cse0 0) (<= 0 .cse0) (= ~a16~0 11) (= 3 ~a15~0) (= ~a12~0 5))) [2018-11-18 13:31:49,301 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 13:31:49,301 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:31:49,301 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (and (= ~a16~0 |old(~a16~0)|) (= 3 ~a15~0) (= ~a18~0 |old(~a18~0)|) (= |old(~a12~0)| ~a12~0))) [2018-11-18 13:31:49,301 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-11-18 13:31:49,301 INFO L421 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse18 (not (= ~a12~0 6))) (.cse17 (not (= ~a15~0 4)))) (let ((.cse5 (= 6 ~a12~0)) (.cse7 (<= |old(~a18~0)| ~a18~0)) (.cse3 (= 5 ~a12~0)) (.cse2 (= ~a16~0 10)) (.cse6 (= |old(~a15~0)| ~a15~0)) (.cse12 (= 8 ~a16~0)) (.cse15 (+ ~a18~0 156)) (.cse11 (= ~a15~0 |old(~a15~0)|)) (.cse8 (= ~a16~0 |old(~a16~0)|)) (.cse9 (not (= main_~input~0 0))) (.cse10 (= ~a12~0 5)) (.cse0 (= 9 ~a16~0)) (.cse14 (and .cse18 .cse17 (not (= ~a16~0 12)))) (.cse4 (<= 12 ~a16~0)) (.cse1 (<= 6 ~a12~0)) (.cse13 (+ |old(~a18~0)| 87))) (or (and .cse0 .cse1) (and (<= ~a12~0 7) .cse2) (not (= 11 |old(~a16~0)|)) (and .cse3 .cse0) (and .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse9 .cse5 .cse7 .cse6 .cse8) (and .cse12 .cse3) (not (= 3 |old(~a15~0)|)) (< .cse13 0) (and (= 8 ~a12~0) .cse9 .cse6 .cse8) (and .cse14 .cse2) (and .cse12 (= 4 ~a15~0) .cse1) (and .cse9 (= 7 ~a12~0) (< 0 .cse15) .cse6 .cse8) (and .cse9 .cse6 .cse8 (= ~a12~0 9)) (and .cse12 (exists ((v_prenex_3 Int)) (let ((.cse16 (* 5 (div (* 10 v_prenex_3) (- 5))))) (and (<= (+ v_prenex_3 79) 0) (<= 5 .cse16) (<= (div .cse16 5) ~a18~0)))) .cse1) (and .cse12 .cse17 (not (= ~a12~0 8))) (and (<= .cse15 0) .cse9 .cse11 .cse8 (= |old(~a12~0)| ~a12~0)) (and .cse4 .cse9 (= ~a15~0 3) .cse10) (not (= 5 |old(~a12~0)|)) (and .cse0 .cse14) (and (and .cse4 .cse18 .cse17) .cse1) (< 0 .cse13)))) [2018-11-18 13:31:49,301 INFO L425 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-11-18 13:31:49,301 INFO L425 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-11-18 13:31:49,301 INFO L425 ceAbstractionStarter]: For program point L1773-1(lines 1773 1782) no Hoare annotation was computed. [2018-11-18 13:31:49,302 INFO L421 ceAbstractionStarter]: At program point L1773-3(lines 1773 1782) the Hoare annotation is: (let ((.cse12 (not (= ~a15~0 4))) (.cse17 (not (= ~a12~0 6))) (.cse19 (= ~a15~0 3)) (.cse13 (not (= ~a12~0 8)))) (let ((.cse5 (= 5 ~a12~0)) (.cse4 (and (= ~a16~0 11) .cse17 .cse19 (not (= ~a12~0 0)) .cse13)) (.cse8 (<= 12 ~a16~0)) (.cse18 (+ |old(~a18~0)| 87)) (.cse2 (= ~a16~0 10)) (.cse10 (= 8 ~a16~0)) (.cse1 (<= 6 ~a12~0)) (.cse9 (= 6 ~a12~0)) (.cse14 (<= |old(~a18~0)| ~a18~0)) (.cse6 (= |old(~a15~0)| ~a15~0)) (.cse0 (= 9 ~a16~0)) (.cse20 (and .cse17 .cse12 (not (= ~a16~0 12)))) (.cse3 (+ ~a18~0 156)) (.cse15 (= ~a15~0 |old(~a15~0)|)) (.cse7 (= ~a16~0 |old(~a16~0)|)) (.cse16 (= |old(~a12~0)| ~a12~0))) (or (and .cse0 .cse1) (and (<= ~a12~0 7) .cse2) (not (= 11 |old(~a16~0)|)) (and (= 7 ~a12~0) (< 0 .cse3) .cse4) (and .cse5 .cse0) (and (= 8 ~a12~0) .cse6 .cse7) (and .cse8 .cse9 .cse6) (and .cse10 .cse5) (not (= 3 |old(~a15~0)|)) (and .cse10 (exists ((v_prenex_3 Int)) (let ((.cse11 (* 5 (div (* 10 v_prenex_3) (- 5))))) (and (<= (+ v_prenex_3 79) 0) (<= 5 .cse11) (<= (div .cse11 5) ~a18~0)))) .cse1) (and .cse4 (= ~a12~0 9)) (and .cse10 .cse12 .cse13) (not (= 5 |old(~a12~0)|)) (and .cse14 .cse15 .cse7 .cse16) (and (and .cse8 .cse17 .cse12) .cse1) (< 0 .cse18) (and .cse8 (and .cse19 (= ~a12~0 5))) (< .cse18 0) (and .cse20 .cse2) (and .cse10 (= 4 ~a15~0) .cse1) (and .cse9 .cse14 .cse6 .cse7) (and .cse0 .cse20) (and (<= .cse3 0) .cse15 .cse7 .cse16)))) [2018-11-18 13:31:49,302 INFO L425 ceAbstractionStarter]: For program point L1773-4(lines 1767 1783) no Hoare annotation was computed. [2018-11-18 13:31:49,306 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2018-11-18 13:31:49,307 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2018-11-18 13:31:49,307 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2018-11-18 13:31:49,315 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2018-11-18 13:31:49,315 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2018-11-18 13:31:49,315 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2018-11-18 13:31:49,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:31:49 BoogieIcfgContainer [2018-11-18 13:31:49,328 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 13:31:49,329 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:31:49,329 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:31:49,329 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:31:49,334 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:26:34" (3/4) ... [2018-11-18 13:31:49,339 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:31:49,344 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 13:31:49,345 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-11-18 13:31:49,345 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 13:31:49,345 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 13:31:49,390 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 13:31:49,392 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 13:31:49,439 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((9 == a16 && 6 <= a12) || (a12 <= 7 && a16 == 10)) || !(11 == \old(a16))) || ((7 == a12 && 0 < a18 + 156) && (((a16 == 11 && !(a12 == 6)) && a15 == 3) && !(a12 == 0)) && !(a12 == 8))) || (5 == a12 && 9 == a16)) || ((8 == a12 && \old(a15) == a15) && a16 == \old(a16))) || ((12 <= a16 && 6 == a12) && \old(a15) == a15)) || (8 == a16 && 5 == a12)) || !(3 == \old(a15))) || ((8 == a16 && (\exists v_prenex_3 : int :: (v_prenex_3 + 79 <= 0 && 5 <= 5 * (10 * v_prenex_3 / -5)) && 5 * (10 * v_prenex_3 / -5) / 5 <= a18)) && 6 <= a12)) || (((((a16 == 11 && !(a12 == 6)) && a15 == 3) && !(a12 == 0)) && !(a12 == 8)) && a12 == 9)) || ((8 == a16 && !(a15 == 4)) && !(a12 == 8))) || !(5 == \old(a12))) || (((\old(a18) <= a18 && a15 == \old(a15)) && a16 == \old(a16)) && \old(a12) == a12)) || (((12 <= a16 && !(a12 == 6)) && !(a15 == 4)) && 6 <= a12)) || 0 < \old(a18) + 87) || (12 <= a16 && a15 == 3 && a12 == 5)) || \old(a18) + 87 < 0) || (((!(a12 == 6) && !(a15 == 4)) && !(a16 == 12)) && a16 == 10)) || ((8 == a16 && 4 == a15) && 6 <= a12)) || (((6 == a12 && \old(a18) <= a18) && \old(a15) == a15) && a16 == \old(a16))) || (9 == a16 && (!(a12 == 6) && !(a15 == 4)) && !(a16 == 12))) || (((a18 + 156 <= 0 && a15 == \old(a15)) && a16 == \old(a16)) && \old(a12) == a12) [2018-11-18 13:31:49,630 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c53ff0a8-be64-45d1-a743-1183125ef47d/bin-2019/utaipan/witness.graphml [2018-11-18 13:31:49,630 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:31:49,631 INFO L168 Benchmark]: Toolchain (without parser) took 319374.41 ms. Allocated memory was 1.0 GB in the beginning and 5.3 GB in the end (delta: 4.3 GB). Free memory was 953.1 MB in the beginning and 3.8 GB in the end (delta: -2.9 GB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-11-18 13:31:49,632 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:31:49,632 INFO L168 Benchmark]: CACSL2BoogieTranslator took 823.04 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 875.2 MB in the end (delta: 77.8 MB). Peak memory consumption was 77.8 MB. Max. memory is 11.5 GB. [2018-11-18 13:31:49,632 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 78.6 MB). Free memory was 875.2 MB in the beginning and 1.1 GB in the end (delta: -197.9 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-18 13:31:49,632 INFO L168 Benchmark]: Boogie Preprocessor took 113.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. [2018-11-18 13:31:49,632 INFO L168 Benchmark]: RCFGBuilder took 3091.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 817.5 MB in the end (delta: 243.6 MB). Peak memory consumption was 243.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:31:49,633 INFO L168 Benchmark]: TraceAbstraction took 314897.93 ms. Allocated memory was 1.1 GB in the beginning and 5.3 GB in the end (delta: 4.2 GB). Free memory was 817.5 MB in the beginning and 3.9 GB in the end (delta: -3.1 GB). Peak memory consumption was 4.4 GB. Max. memory is 11.5 GB. [2018-11-18 13:31:49,633 INFO L168 Benchmark]: Witness Printer took 301.59 ms. Allocated memory is still 5.3 GB. Free memory was 3.9 GB in the beginning and 3.8 GB in the end (delta: 81.5 MB). Peak memory consumption was 81.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:31:49,635 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 823.04 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 875.2 MB in the end (delta: 77.8 MB). Peak memory consumption was 77.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 143.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 78.6 MB). Free memory was 875.2 MB in the beginning and 1.1 GB in the end (delta: -197.9 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 113.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3091.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 817.5 MB in the end (delta: 243.6 MB). Peak memory consumption was 243.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 314897.93 ms. Allocated memory was 1.1 GB in the beginning and 5.3 GB in the end (delta: 4.2 GB). Free memory was 817.5 MB in the beginning and 3.9 GB in the end (delta: -3.1 GB). Peak memory consumption was 4.4 GB. Max. memory is 11.5 GB. * Witness Printer took 301.59 ms. Allocated memory is still 5.3 GB. Free memory was 3.9 GB in the beginning and 3.8 GB in the end (delta: 81.5 MB). Peak memory consumption was 81.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 172]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1773]: Loop Invariant [2018-11-18 13:31:49,638 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2018-11-18 13:31:49,639 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2018-11-18 13:31:49,639 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2018-11-18 13:31:49,640 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2018-11-18 13:31:49,640 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2018-11-18 13:31:49,640 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] Derived loop invariant: ((((((((((((((((((((((9 == a16 && 6 <= a12) || (a12 <= 7 && a16 == 10)) || !(11 == \old(a16))) || ((7 == a12 && 0 < a18 + 156) && (((a16 == 11 && !(a12 == 6)) && a15 == 3) && !(a12 == 0)) && !(a12 == 8))) || (5 == a12 && 9 == a16)) || ((8 == a12 && \old(a15) == a15) && a16 == \old(a16))) || ((12 <= a16 && 6 == a12) && \old(a15) == a15)) || (8 == a16 && 5 == a12)) || !(3 == \old(a15))) || ((8 == a16 && (\exists v_prenex_3 : int :: (v_prenex_3 + 79 <= 0 && 5 <= 5 * (10 * v_prenex_3 / -5)) && 5 * (10 * v_prenex_3 / -5) / 5 <= a18)) && 6 <= a12)) || (((((a16 == 11 && !(a12 == 6)) && a15 == 3) && !(a12 == 0)) && !(a12 == 8)) && a12 == 9)) || ((8 == a16 && !(a15 == 4)) && !(a12 == 8))) || !(5 == \old(a12))) || (((\old(a18) <= a18 && a15 == \old(a15)) && a16 == \old(a16)) && \old(a12) == a12)) || (((12 <= a16 && !(a12 == 6)) && !(a15 == 4)) && 6 <= a12)) || 0 < \old(a18) + 87) || (12 <= a16 && a15 == 3 && a12 == 5)) || \old(a18) + 87 < 0) || (((!(a12 == 6) && !(a15 == 4)) && !(a16 == 12)) && a16 == 10)) || ((8 == a16 && 4 == a15) && 6 <= a12)) || (((6 == a12 && \old(a18) <= a18) && \old(a15) == a15) && a16 == \old(a16))) || (9 == a16 && (!(a12 == 6) && !(a15 == 4)) && !(a16 == 12))) || (((a18 + 156 <= 0 && a15 == \old(a15)) && a16 == \old(a16)) && \old(a12) == a12) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 410 locations, 1 error locations. SAFE Result, 314.8s OverallTime, 21 OverallIterations, 13 TraceHistogramMax, 226.0s AutomataDifference, 0.0s DeadEndRemovalTime, 11.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4342 SDtfs, 47220 SDslu, 5449 SDs, 0 SdLazy, 107065 SolverSat, 9583 SolverUnsat, 35 SolverUnknown, 0 SolverNotchecked, 183.4s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 38440 GetRequests, 37940 SyntacticMatches, 38 SemanticMatches, 462 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7063 ImplicationChecksByTransitivity, 13.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16187occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 12.0s AbstIntTime, 16 AbstIntIterations, 4 AbstIntStrong, 0.9980400736349735 AbsIntWeakeningRatio, 0.0622568093385214 AbsIntAvgWeakeningVarsNumRemoved, 15.714980544747082 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.4s AutomataMinimizationTime, 21 MinimizatonAttempts, 3604 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 2113 PreInvPairs, 2951 NumberOfFragments, 2211 HoareAnnotationTreeSize, 2113 FomulaSimplifications, 93004 FormulaSimplificationTreeSizeReduction, 2.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 56778 FormulaSimplificationTreeSizeReductionInter, 8.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.8s SsaConstructionTime, 2.9s SatisfiabilityAnalysisTime, 34.0s InterpolantComputationTime, 39702 NumberOfCodeBlocks, 39702 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 57531 ConstructedInterpolants, 7 QuantifiedInterpolants, 288172276 SizeOfPredicates, 9 NumberOfNonLiveVariables, 23046 ConjunctsInSsa, 72 ConjunctsInUnsatCore, 45 InterpolantComputations, 9 PerfectInterpolantSequences, 176497/194310 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...